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Finding the Fourth Proportional to 662,786.06, 914,588.60 and 372,374.94

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Solution

The fourth proportional to 662,786.06, 914,588.60 and 372,374.94 is: 513,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,786.06 : 914,588.60 = 372,374.94 : x
  2. Step 2: Convert to fraction form
    662,786.06/914,588.60 = 372,374.94/x
  3. Step 3: Cross multiply
    662,786.06x = 914,588.60 × 372,374.94
  4. Step 4: Simplify right side
    662,786.06x = 340,569,873,187.81
  5. Step 5: Solve for x
    x = 340,569,873,187.81/662,786.06
  6. Step 6: Final answer
    x = 513,845.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.